When a Marine falls ill during a training mission due to an attack by a genetic weapon, the NCIS must track down the person responsible for unleashing it. Also, Deeks struggles with balancing work and home life when Rosa comes down with the flu.

Starring:

Chris O'Donnell, LL Cool J, Daniela Ruah, Eric Christian Olsen, Linda Hunt, Barrett Foa, Renée Felice Smith, Nia Long

Genre:

Crime